(0853) Complementאֵת'eth{ayth}Apparently contracted from H0226 in the demonstrative sense of entity; properly self (but generally used to point out more definitely the object of a verb or preposition, even or namely).

(0413) Complementאֵל'el{ale}(Used only in the shortened constructive form (the second form)); a primitive particle, properly denoting motion towards, but occasionally used of a quiescent position, that is, near, with or among; often in general, to.

{5045} Primeנֶגֶבnegeb{neh'-gheb}From an unused root meaning to be parched; the south (from its drought); specifically the negeb or southern district of Judah, occasionally, Egypt (as south to Palestine).

{2022} Primeהַרhar{har}A shortened form of H2042; a mountain or range of hills (sometimes used figuratively).

Numbers 13:17

_ _ Get you up this way ... , and go up into the mountain  Mount Seir (Deuteronomy 1:2), which lay directly from Sinai across the wilderness of Paran, in a northeasterly direction into the southern parts of the promised land.

Numbers 13:17

Southward  Into the southern part of Canaan, which was the nearest part, and the worst too, being dry and desert, and therefore fit for them to enter and pass through with less observation. Into the mountain  Into the mountainous country, and thence into the valleys, and so take a survey of the whole land.

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southward:

Numbers 13:21-22 So they went up, and searched the land from the wilderness of Zin unto Rehob, as men come to Hamath. ... And they ascended by the south, and came unto Hebron; where Ahiman, Sheshai, and Talmai, the children of Anak, [were]. (Now Hebron was built seven years before Zoan in Egypt.)Genesis 12:9 And Abram journeyed, going on still toward the south.Genesis 13:1 And Abram went up out of Egypt, he, and his wife, and all that he had, and Lot with him, into the south.Joshua 15:3 And it went out to the south side to Maalehacrabbim, and passed along to Zin, and ascended up on the south side unto Kadeshbarnea, and passed along to Hezron, and went up to Adar, and fetched a compass to Karkaa:Judges 1:15 And she said unto him, Give me a blessing: for thou hast given me a south land; give me also springs of water. And Caleb gave her the upper springs and the nether springs.

the mountain:

Numbers 14:40 And they rose up early in the morning, and gat them up into the top of the mountain, saying, Lo, we [be here], and will go up unto the place which the LORD hath promised: for we have sinned.Genesis 14:10 And the vale of Siddim [was full of] slimepits; and the kings of Sodom and Gomorrah fled, and fell there; and they that remained fled to the mountain.Deuteronomy 1:44 And the Amorites, which dwelt in that mountain, came out against you, and chased you, as bees do, and destroyed you in Seir, [even] unto Hormah.Judges 1:9 And afterward the children of Judah went down to fight against the Canaanites, that dwelt in the mountain, and in the south, and in the valley.Judges 1:19 And the LORD was with Judah; and he drave out [the inhabitants of] the mountain; but could not drive out the inhabitants of the valley, because they had chariots of iron.